Pith Number

pith:FWRRTB7M

pith:2011:FWRRTB7MEHKSO7YRG5U5UI2VD5

not attested not anchored not stored refs pending

Toward Designing Intelligent PDEs for Computer Vision: An Optimal Control Approach

Kewei Tang, Risheng Liu, Wei Zhang, Zhixun Su, Zhouchen Lin

arxiv:1109.1057 v1 · 2011-09-06 · cs.CV

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FWRRTB7MEHKSO7YRG5U5UI2VD5}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T04:14:05.491176Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2da31987ec21d5277f113769da23551f477c62f30550573cee75c76fd705731a

Aliases

arxiv: 1109.1057 · arxiv_version: 1109.1057v1 · doi: 10.48550/arxiv.1109.1057 · pith_short_12: FWRRTB7MEHKS · pith_short_16: FWRRTB7MEHKSO7YR · pith_short_8: FWRRTB7M

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/FWRRTB7MEHKSO7YRG5U5UI2VD5 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 2da31987ec21d5277f113769da23551f477c62f30550573cee75c76fd705731a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1736a6fa4624926b48c1de80abdff0e7452b81d280c882bbb4f781ac07003af",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2011-09-06T04:26:44Z",
    "title_canon_sha256": "77cc67378639fa970eeb106b8803ce96ee5a52c443c8dad3037f93918462a40e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.1057",
    "kind": "arxiv",
    "version": 1
  }
}